LM339NE4

Product Overview

Category: Integrated Circuit (IC)

Use: LM339NE4 is a quad voltage comparator that is commonly used in various electronic circuits for comparing voltages and making decisions based on the comparison results.

Characteristics: - Low input offset voltage - Low input bias current - Wide supply voltage range - High output sink current capability - Open collector outputs for easy interfacing with other digital circuits

Package: LM339NE4 is available in a 14-pin DIP (Dual Inline Package) format, which provides ease of installation and replacement.

Essence: The essence of LM339NE4 lies in its ability to accurately compare voltages and provide digital outputs based on the comparison results.

Packaging/Quantity: LM339NE4 is typically packaged in tubes or reels, with each tube/reel containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

LM339NE4 has the following specifications:

• Supply Voltage Range: 2V to 36V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 25nA (maximum)
• Output Sink Current: 16mA (minimum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

LM339NE4 has a 14-pin DIP package with the following pin configuration:

1. Output 1
2. Inverting Input 1
3. Non-Inverting Input 1
4. GND (Ground)
5. Non-Inverting Input 2
6. Inverting Input 2
7. Output 2
8. VCC (Supply Voltage)
9. Output 3
10. Inverting Input 3
11. Non-Inverting Input 3
12. Output 4
13. Inverting Input 4
14. Non-Inverting Input 4

Functional Features

• Quad voltage comparator with open collector outputs
• Wide supply voltage range allows for versatile applications
• Low input offset voltage and bias current ensure accurate comparisons
• High output sink current capability enables direct interface with other digital circuits

Advantages and Disadvantages

Advantages: - Accurate voltage comparison - Versatile supply voltage range - Easy interfacing with other digital circuits - Low power consumption - Compact size

Disadvantages: - Limited output current sourcing capability - Not suitable for high-frequency applications

Working Principles

LM339NE4 works by comparing the voltages applied to its non-inverting and inverting inputs. The output of each comparator is determined based on the voltage difference between these inputs. If the non-inverting input voltage is higher than the inverting input voltage, the output goes low (logic 0). Conversely, if the inverting input voltage is higher, the output goes high (logic 1).

Detailed Application Field Plans

LM339NE4 finds applications in various fields, including:

1. Voltage level detection and monitoring
2. Signal conditioning and amplification
3. Threshold detection and control
4. Motor control systems
5. Battery management circuits
6. Industrial automation
7. Robotics
8. Audio processing

Alternative Models

Some alternative models that can be used as substitutes for LM339NE4 include:

1. LM393
2. LM311
3. LM324
4. LM2903
5. LM339N

These models offer similar functionality and characteristics, allowing for flexibility in circuit design.

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